Calculate the number of molecules of hydrogen that are required to completely react with 75.9l of oxygen at stp. the product of this reaction is water. show all work including balanced equation.

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

Which diagram represents the phase tha occurs after a solid melts?